This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 12 |
| 3 | 28 |
| 4 | 60 |
| 5 | 96 |
| 6 | 104 |
| 7 | 234 |
| 8 | 360 |
| 9 | 546 |
| 10 | 744 |
| 11 | 620 |
| 12 | 640 |
| 13 | 1152 |
| 14 | 1488 |
| 15 | 1815 |
| 16 | 2178 |
| 17 | 2304 |
| 18 | 1728 |
| 19 | 3510 |
| 20 | 3458 |
| 21 | 3420 |
| 22 | 5952 |
| 23 | 5760 |
| 24 | 4446 |
| 25 | 4104 |
| 26 | 7056 |
| 27 | 8400 |
| 28 | 8640 |
| 29 | 5760 |
| 30 | 10160 |
| 31 | 12240 |
| 32 | 11232 |
| 33 | 13824 |
| 34 | 14976 |
| 35 | 17360 |
| 36 | 11200 |
| 37 | 10080 |
| 38 | 20160 |
| 39 | 21840 |
| 40 | 21600 |
| 41 | 26208 |